#pragma once
#ifndef RECT_H
#define RECT_H
#include<iostream>
using namespace std;
class Rectangle
{
	int m_left, m_top;
	int m_right, m_bottom;
public:
	Rectangle(int left =0 , int top=0 , int right=0 , int bottom=0 );
	~Rectangle() {};
	void show();
	void assign(int left, int top, int right, int bottom);
	int area();
	int perimeter();

};
#endif
